<template>
  <!--  面包屑导航-->
  <el-breadcrumb separator=">">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>数据统计</el-breadcrumb-item>
    <el-breadcrumb-item>数据报表</el-breadcrumb-item>
  </el-breadcrumb>
  <!--卡片显示区域-->
  <el-card>
    <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
    <div id="main" style="width: 800px;height:400px;"></div>
  </el-card>
</template>

<script setup lang="ts">
import {GetReports} from '@/api'
import {onMounted, ref} from 'vue'
import * as echarts from 'echarts'
import _ from 'lodash'
import {ElMessage} from 'element-plus'

// 指定图表的配置项和数据
const options = {
  title: {
    text: 'ECharts 入门示例'
  },
  tooltip: {},
  legend: {
    data: ['销量']
  },
  xAxis: {
    data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
  },
  yAxis: {},
  series: [
    {
      name: '销量',
      type: 'bar',
      data: [5, 20, 36, 10, 10, 20]
    }
  ]
};

onMounted(async ()=>{
  // 基于准备好的dom，初始化echarts实例
  const myChart = echarts.init(document.getElementById('main') as HTMLElement);
  //请求得到报表数据
  const {data: res} = await GetReports()
  console.log(res)
  if(res.meta.status !== 200){return ElMessage.error('获取报表数据失败')}
  // 4. 指定图表的配置项和数据
  const result = _.merge(res.data, options)
  // 使用刚指定的配置项和数据显示图表。
  myChart.setOption(result);
})

</script>

<style lang="less" scoped>

</style>